| 1 |
#ifndef SHADER_H |
| 2 |
#define SHADER_H |
| 3 |
|
| 4 |
#include <cassert> |
| 5 |
|
| 6 |
#include <string> |
| 7 |
#include <set> |
| 8 |
#include <map> |
| 9 |
#include <sstream> |
| 10 |
|
| 11 |
#include "opengl.h" |
| 12 |
#include "util.h" |
| 13 |
|
| 14 |
namespace shader { |
| 15 |
|
| 16 |
using namespace std; |
| 17 |
|
| 18 |
const int NAMELEN = 32; |
| 19 |
|
| 20 |
struct shader_builder |
| 21 |
{ |
| 22 |
static struct shader_builder *cur; |
| 23 |
|
| 24 |
set<const void *> seen; |
| 25 |
|
| 26 |
ostringstream global; |
| 27 |
ostringstream local; |
| 28 |
ostringstream code; |
| 29 |
|
| 30 |
bool first (const void *p); |
| 31 |
|
| 32 |
static void start (); |
| 33 |
static string stop (); |
| 34 |
}; |
| 35 |
|
| 36 |
template<class T> |
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struct sl_expr { |
| 38 |
const T t; |
| 39 |
sl_expr (const T &t) : t(t) { } |
| 40 |
void operator ()() const { t (); } |
| 41 |
template<typename expr> |
| 42 |
const sl_expr &operator =(const expr &e) const; |
| 43 |
}; |
| 44 |
|
| 45 |
struct sl_func0 |
| 46 |
{ |
| 47 |
const char *name_par; |
| 48 |
sl_func0 (const char *name_par) : name_par(name_par) { } |
| 49 |
|
| 50 |
void begin () const |
| 51 |
{ |
| 52 |
shader_builder::cur->code << name_par; |
| 53 |
} |
| 54 |
|
| 55 |
void comma () const |
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{ |
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shader_builder::cur->code << ", "; |
| 58 |
} |
| 59 |
|
| 60 |
void end () const |
| 61 |
{ |
| 62 |
shader_builder::cur->code << ")"; |
| 63 |
} |
| 64 |
|
| 65 |
void operator ()() const |
| 66 |
{ |
| 67 |
begin (); |
| 68 |
end (); |
| 69 |
} |
| 70 |
}; |
| 71 |
|
| 72 |
template<class A> |
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struct sl_func1 : sl_func0 |
| 74 |
{ |
| 75 |
const A a; |
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sl_func1 (const char *name, const A &a) : sl_func0(name), a(a) { } |
| 77 |
void operator ()() const { begin (); a (); end (); } |
| 78 |
}; |
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|
| 80 |
template<class A, class B> |
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struct sl_func2 : sl_func0 |
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{ |
| 83 |
const A a; const B b; |
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sl_func2 (const char *name, const A &a, const B &b) : sl_func0(name), a(a), b(b) { } |
| 85 |
void operator ()() const { begin (); a (); comma (); b (); end (); } |
| 86 |
}; |
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|
| 88 |
template<class A, class B, class C> |
| 89 |
struct sl_func3 : sl_func0 |
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{ |
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const A a; const B b; const C c; |
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sl_func3 (const char *name, const A &a, const B &b, const C &c) : sl_func0(name), a(a), b(b), c(c) { } |
| 93 |
void operator ()() const { begin (); a (); comma (); b (); comma (); c (); end (); } |
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}; |
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|
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template<class A, class B, class C, class D> |
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struct sl_func4 : sl_func0 |
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{ |
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const A a; const B b; const C c; const D d; |
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sl_func4 (const char *name, const A &a, const B &b, const C &c, const D &d) : sl_func0(name), a(a), b(b), c(c), d(d) { } |
| 101 |
void operator ()() const { begin (); a (); comma (); b (); comma (); c (); comma (); d(); end (); } |
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}; |
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|
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class refcounted |
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{ |
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template<class type> friend class ref; |
| 107 |
mutable unsigned int refcnt; |
| 108 |
void refcnt_inc () const { refcnt++; } |
| 109 |
void refcnt_dec () const { if (!--refcnt) refcnt_destroy (); } |
| 110 |
void refcnt_destroy () const; |
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public: |
| 112 |
refcounted () : refcnt(0) { } |
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virtual ~refcounted (); |
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}; |
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|
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template<class type> |
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struct ref |
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{ |
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type *p; |
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|
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ref () |
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{ |
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p = new type; |
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p->refcnt_inc (); |
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} |
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|
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ref (type &d) |
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{ |
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d.refcnt_inc (); |
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p = &d; |
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} |
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|
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ref (const ref &r) |
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{ |
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r.p->refcnt_inc (); |
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p = r.p; |
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} |
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|
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template<class type2> |
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ref (const ref<type2> &r) |
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{ |
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r.p->refcnt_inc (); |
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p = r.p; |
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} |
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|
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~ref () |
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{ |
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p->refcnt_dec (); |
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} |
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|
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ref &operator =(type &d) |
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{ |
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d.refcnt_inc (); |
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p->refcnt_dec (); |
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p = &d; |
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return *this; |
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} |
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|
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type *operator ->() const { return p; } |
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|
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operator type &() const { return *p; } |
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|
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template<class type2> |
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bool operator ==(const ref<type2> b) const |
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{ |
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return (void *)p == (void *)b.p; |
| 167 |
} |
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}; |
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|
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// ref with auto-construct |
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template<class type> |
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struct auto_ref0 : ref<type> |
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{ |
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auto_ref0 () : ref<type> (*new type ()) { } |
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}; |
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|
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template<class type, typename arg1> |
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struct auto_ref1 : ref<type> |
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{ |
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auto_ref1 (arg1 a) : ref<type> (*new type (a)) { } |
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}; |
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|
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template<class type> |
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struct auto_lvalue_ref0 : ref<type> |
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{ |
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auto_lvalue_ref0 () : ref<type> (*new type ()) { } |
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template<typename expr> |
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const auto_lvalue_ref0 &operator =(const expr &e) const; |
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}; |
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|
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template<class type, typename arg1> |
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struct auto_lvalue_ref1 : ref<type> |
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{ |
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auto_lvalue_ref1 (arg1 a) : ref<type> (*new type (a)) { } |
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template<class expr> |
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const auto_lvalue_ref1 &operator =(const expr &e) const; |
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}; |
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|
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extern const char str_float []; |
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extern const char str_vec2 []; |
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extern const char str_vec3 []; |
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extern const char str_vec4 []; |
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extern const char str_mat2 []; |
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extern const char str_mat3 []; |
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extern const char str_mat4 []; |
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|
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extern const char str_sampler_1d []; |
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extern const char str_sampler_1d_shadow []; |
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extern const char str_sampler_2d []; |
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extern const char str_sampler_2d_shadow []; |
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extern const char str_sampler_2d_rect []; |
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extern const char str_sampler_2d_rect_shadow []; |
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extern const char str_sampler_3d []; |
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extern const char str_sampler_3d_rect []; |
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extern const char str_sampler_cube []; |
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|
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typedef ref<struct var_i> var; |
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typedef ref<struct uniform_i> uniform; |
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|
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struct fragment_i : refcounted |
| 221 |
{ |
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}; |
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|
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typedef ref<fragment_i> fragment; |
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|
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struct lvalue_i : fragment_i |
| 227 |
{ |
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}; |
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|
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// a simple predeclared variable with unspecified type |
| 231 |
struct gluvar_i : lvalue_i |
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{ |
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const char *name; |
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|
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void operator ()() const |
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{ |
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shader_builder::cur->code << name; |
| 238 |
} |
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|
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gluvar_i (const char *name) : name (name) { } |
| 241 |
}; |
| 242 |
|
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typedef auto_lvalue_ref1<gluvar_i, const char *> gluvar; |
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|
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struct var_i : lvalue_i |
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{ |
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static unsigned int next_id; |
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|
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char name[NAMELEN]; |
| 250 |
const char *domainstr; |
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const char *typestr; |
| 252 |
|
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void operator ()() const; |
| 254 |
|
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var_i (const char *domainstr, const char *typestr); |
| 256 |
~var_i (); |
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}; |
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|
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struct uniform_i : var_i |
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{ |
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GLint location (); |
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|
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uniform_i (const char *strtype); |
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}; |
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|
| 266 |
template<int dimension, typename gltype, const char *strtype> |
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struct uniform2_i : uniform_i |
| 268 |
{ |
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gltype data[dimension]; |
| 270 |
|
| 271 |
uniform2_i () : uniform_i (strtype) { } |
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}; |
| 273 |
|
| 274 |
template<int dimension, const char *strtype> |
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struct uniform_f_i : uniform2_i<dimension, GLfloat, strtype> |
| 276 |
{ |
| 277 |
}; |
| 278 |
|
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struct uniform_1f_i : uniform_f_i<1, str_float> { |
| 280 |
void set (GLfloat v) |
| 281 |
{ |
| 282 |
data[0] = v; |
| 283 |
|
| 284 |
GLint loc = location (); |
| 285 |
if (loc >= 0) // workaround for buggy drivers |
| 286 |
glUniform1fvARB (loc, 1, data); |
| 287 |
} |
| 288 |
}; |
| 289 |
|
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struct uniform_2f_i : uniform_f_i<2, str_vec2> { |
| 291 |
void set (GLfloat x, GLfloat y) |
| 292 |
{ |
| 293 |
data[0] = x; |
| 294 |
data[1] = y; |
| 295 |
|
| 296 |
GLint loc = location (); |
| 297 |
if (loc >= 0) // workaround for buggy drivers |
| 298 |
glUniform2fvARB (loc, 1, data); |
| 299 |
} |
| 300 |
|
| 301 |
void set (const vec2 &v) { set (v.x, v.y); } |
| 302 |
}; |
| 303 |
|
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struct uniform_3f_i : uniform_f_i<3, str_vec3> { |
| 305 |
void set (GLfloat x, GLfloat y, GLfloat z) |
| 306 |
{ |
| 307 |
data[0] = x; |
| 308 |
data[1] = y; |
| 309 |
data[2] = z; |
| 310 |
|
| 311 |
GLint loc = location (); |
| 312 |
if (loc >= 0) // workaround for buggy drivers |
| 313 |
glUniform3fvARB (loc, 1, data); |
| 314 |
} |
| 315 |
|
| 316 |
void set (const vec3 &v) { set (v.x, v.y, v.z); } |
| 317 |
}; |
| 318 |
|
| 319 |
struct uniform_4f_i : uniform_f_i<4, str_vec4> { |
| 320 |
void set (GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
| 321 |
{ |
| 322 |
data[0] = x; |
| 323 |
data[1] = y; |
| 324 |
data[2] = z; |
| 325 |
data[3] = w; |
| 326 |
|
| 327 |
GLint loc = location (); |
| 328 |
if (loc >= 0) // workaround for buggy drivers |
| 329 |
glUniform4fvARB (loc, 1, data); |
| 330 |
} |
| 331 |
|
| 332 |
void set (const vec4 &v) { set (v.x, v.y, v.z, v.w); } |
| 333 |
}; |
| 334 |
|
| 335 |
struct uniform_matrix_2f_i : uniform_f_i< 4, str_mat2> |
| 336 |
{ |
| 337 |
void set (const GLfloat d[4]) |
| 338 |
{ |
| 339 |
memcpy (data, d, 4 * sizeof (GLfloat)); |
| 340 |
|
| 341 |
GLint loc = location (); |
| 342 |
if (loc >= 0) // workaround for buggy drivers |
| 343 |
glUniformMatrix2fvARB (loc, 1, 0, data); |
| 344 |
} |
| 345 |
}; |
| 346 |
|
| 347 |
struct uniform_matrix_3f_i : uniform_f_i< 9, str_mat3> |
| 348 |
{ |
| 349 |
void set (const GLfloat d[9]) |
| 350 |
{ |
| 351 |
memcpy (data, d, 9 * sizeof (GLfloat)); |
| 352 |
|
| 353 |
GLint loc = location (); |
| 354 |
if (loc >= 0) // workaround for buggy drivers |
| 355 |
glUniformMatrix3fvARB (loc, 1, 0, data); |
| 356 |
} |
| 357 |
}; |
| 358 |
|
| 359 |
struct uniform_matrix_4f_i : uniform_f_i<16, str_mat4> |
| 360 |
{ |
| 361 |
void set (const gl::matrix &m) |
| 362 |
{ |
| 363 |
memcpy (data, m.data, 16 * sizeof (GLfloat)); |
| 364 |
|
| 365 |
GLint loc = location (); |
| 366 |
if (loc >= 0) // workaround for buggy drivers |
| 367 |
glUniformMatrix4fvARB (loc, 1, 0, data); |
| 368 |
} |
| 369 |
}; |
| 370 |
|
| 371 |
template<class var_i> |
| 372 |
struct var_ref : ref<var_i> |
| 373 |
{ |
| 374 |
var_ref (const char *glname = 0) |
| 375 |
: ref<var_i> (*new var_i) |
| 376 |
{ |
| 377 |
if (glname) |
| 378 |
strcpy ((*this)->name, glname); |
| 379 |
} |
| 380 |
}; |
| 381 |
|
| 382 |
typedef var_ref<uniform_1f_i> uniform_1f; |
| 383 |
typedef var_ref<uniform_2f_i> uniform_2f; |
| 384 |
typedef var_ref<uniform_3f_i> uniform_3f; |
| 385 |
typedef var_ref<uniform_4f_i> uniform_4f; |
| 386 |
typedef var_ref<uniform_matrix_2f_i> uniform_matrix_2f; |
| 387 |
typedef var_ref<uniform_matrix_3f_i> uniform_matrix_3f; |
| 388 |
typedef var_ref<uniform_matrix_4f_i> uniform_matrix_4f; |
| 389 |
|
| 390 |
#if 0 |
| 391 |
// to be used for attributes |
| 392 |
|
| 393 |
struct stream_i : var_i |
| 394 |
{ |
| 395 |
stream_i (const char *strtype); |
| 396 |
}; |
| 397 |
|
| 398 |
template<int dimension, GLenum gltype, const char *strtype> |
| 399 |
struct varying_i : stream_i |
| 400 |
{ |
| 401 |
varying_i () : stream_i (strtype) { } |
| 402 |
|
| 403 |
void set (GLsizei stride, GLvoid *ptr) |
| 404 |
{ |
| 405 |
//cgGLSetParameterPointer (param, dimension, gltype, stride, ptr); |
| 406 |
} |
| 407 |
}; |
| 408 |
|
| 409 |
template<int dimension, const char *strtype> |
| 410 |
struct varying_f_i : varying_i<dimension, GL_FLOAT, strtype> |
| 411 |
{ |
| 412 |
void set (const gl::vertex_buffer &vb, GLint offset) |
| 413 |
{ |
| 414 |
varying_i<dimension, GL_FLOAT, strtype>::set (gl::format_stride (vb.format), (GLvoid *)(long)offset); |
| 415 |
} |
| 416 |
}; |
| 417 |
|
| 418 |
struct varying_1f_i : varying_f_i<1, str_float> |
| 419 |
{ |
| 420 |
}; |
| 421 |
|
| 422 |
struct varying_2f_i : varying_f_i<2, str_vec2> |
| 423 |
{ |
| 424 |
void set_t (const gl::vertex_buffer &vb) |
| 425 |
{ |
| 426 |
set (vb, gl::format_offset_t (vb.format)); |
| 427 |
} |
| 428 |
}; |
| 429 |
|
| 430 |
struct varying_3f_i : varying_f_i<3, str_vec3> |
| 431 |
{ |
| 432 |
void set_p (const gl::vertex_buffer &vb) |
| 433 |
{ |
| 434 |
set (vb, gl::format_offset_p (vb.format)); |
| 435 |
} |
| 436 |
|
| 437 |
void set_n (const gl::vertex_buffer &vb) |
| 438 |
{ |
| 439 |
set (vb, gl::format_offset_n (vb.format)); |
| 440 |
} |
| 441 |
}; |
| 442 |
|
| 443 |
struct varying_4f_i : varying_f_i<4, str_vec4> |
| 444 |
{ |
| 445 |
}; |
| 446 |
|
| 447 |
typedef var_ref<varying_1f_i> varying_1f; |
| 448 |
typedef var_ref<varying_2f_i> varying_2f; |
| 449 |
typedef var_ref<varying_3f_i> varying_3f; |
| 450 |
typedef var_ref<varying_4f_i> varying_4f; |
| 451 |
#endif |
| 452 |
|
| 453 |
struct varying_i : var_i |
| 454 |
{ |
| 455 |
varying_i (const char *strtype); |
| 456 |
}; |
| 457 |
|
| 458 |
struct temporary_i : var_i |
| 459 |
{ |
| 460 |
temporary_i (const char *strtype); |
| 461 |
}; |
| 462 |
|
| 463 |
template<const char *strtype, class var_i> |
| 464 |
struct glnvar_ref : ref<var_i> |
| 465 |
{ |
| 466 |
glnvar_ref () |
| 467 |
: ref<var_i> (*new var_i (strtype)) |
| 468 |
{ |
| 469 |
} |
| 470 |
|
| 471 |
#if 0 |
| 472 |
template<typename expr> |
| 473 |
glnvar_ref (const sl_expr<expr> &e) |
| 474 |
: ref<var_i> (*new var_i (strtype)) |
| 475 |
{ |
| 476 |
(*this) = e; |
| 477 |
} |
| 478 |
#endif |
| 479 |
|
| 480 |
template<typename expr> |
| 481 |
const glnvar_ref &operator =(const expr &e) const; |
| 482 |
}; |
| 483 |
|
| 484 |
typedef glnvar_ref<str_float, temporary_i> temp_1f; |
| 485 |
typedef glnvar_ref<str_vec2, temporary_i> temp_2f; |
| 486 |
typedef glnvar_ref<str_vec3, temporary_i> temp_3f; |
| 487 |
typedef glnvar_ref<str_vec4, temporary_i> temp_4f; |
| 488 |
typedef glnvar_ref<str_mat2, temporary_i> temp_matrix_2f; |
| 489 |
typedef glnvar_ref<str_mat3, temporary_i> temp_matrix_3f; |
| 490 |
typedef glnvar_ref<str_mat4, temporary_i> temp_matrix_4f; |
| 491 |
|
| 492 |
typedef glnvar_ref<str_float, varying_i> varying_1f; |
| 493 |
typedef glnvar_ref<str_vec2, varying_i> varying_2f; |
| 494 |
typedef glnvar_ref<str_vec3, varying_i> varying_3f; |
| 495 |
typedef glnvar_ref<str_vec4, varying_i> varying_4f; |
| 496 |
typedef glnvar_ref<str_mat2, varying_i> varying_matrix_2f; |
| 497 |
typedef glnvar_ref<str_mat3, varying_i> varying_matrix_3f; |
| 498 |
typedef glnvar_ref<str_mat4, varying_i> varying_matrix_4f; |
| 499 |
|
| 500 |
struct texture_units |
| 501 |
{ |
| 502 |
static int units[8]; |
| 503 |
static int unit_count; |
| 504 |
|
| 505 |
static GLenum get_texture_unit () |
| 506 |
{ |
| 507 |
assert (unit_count); |
| 508 |
return units[--unit_count]; |
| 509 |
} |
| 510 |
|
| 511 |
static void put_texture_unit (GLenum unit) |
| 512 |
{ |
| 513 |
assert (unit_count < 8); |
| 514 |
units[unit_count++] = unit; |
| 515 |
} |
| 516 |
}; |
| 517 |
|
| 518 |
template<GLenum gltype, const char *strtype> |
| 519 |
struct sampler_i : uniform_i, texture_units |
| 520 |
{ |
| 521 |
int unit; |
| 522 |
GLuint name; |
| 523 |
|
| 524 |
void enable () |
| 525 |
{ |
| 526 |
#if DEBUG |
| 527 |
assert (unit < 0); |
| 528 |
#endif |
| 529 |
GLint loc = location (); |
| 530 |
|
| 531 |
if (loc >= 0) |
| 532 |
{ |
| 533 |
unit = get_texture_unit (); |
| 534 |
glActiveTexture (GL_TEXTURE0 + unit); |
| 535 |
glBindTexture (gltype, name); |
| 536 |
glUniform1iARB (loc, unit); |
| 537 |
} |
| 538 |
} |
| 539 |
|
| 540 |
void disable () |
| 541 |
{ |
| 542 |
if (unit >= 0) |
| 543 |
{ |
| 544 |
put_texture_unit (unit); |
| 545 |
unit = -1; |
| 546 |
} |
| 547 |
} |
| 548 |
|
| 549 |
template<class bufferclass, class vectype> |
| 550 |
void set (const gl::vertex_buffer &vb, const vectype bufferclass::*vp) |
| 551 |
{ |
| 552 |
glTexCoordPointer ( |
| 553 |
vector_traits<vectype>::dimension (), |
| 554 |
gl::type_traits<typename vector_traits<vectype>::basetype>::glenum (), |
| 555 |
sizeof (bufferclass), |
| 556 |
(GLvoid)(char bufferclass::*)vp |
| 557 |
); |
| 558 |
} |
| 559 |
|
| 560 |
sampler_i (GLuint texture) |
| 561 |
: uniform_i (strtype) |
| 562 |
, name (texture) |
| 563 |
#if DEBUG |
| 564 |
, unit (-1) |
| 565 |
#endif |
| 566 |
{ |
| 567 |
} |
| 568 |
}; |
| 569 |
|
| 570 |
struct sampler_1d_i : sampler_i<GL_TEXTURE_1D, str_sampler_1d> |
| 571 |
{ |
| 572 |
sampler_1d_i (GLuint texture) : sampler_i<GL_TEXTURE_1D, str_sampler_1d> (texture) { } |
| 573 |
}; |
| 574 |
|
| 575 |
struct sampler_1d_shadow_i : sampler_i<GL_TEXTURE_1D, str_sampler_1d_shadow> |
| 576 |
{ |
| 577 |
sampler_1d_shadow_i (GLuint texture) : sampler_i<GL_TEXTURE_1D, str_sampler_1d_shadow> (texture) { } |
| 578 |
}; |
| 579 |
|
| 580 |
struct sampler_2d_i : sampler_i<GL_TEXTURE_2D, str_sampler_2d> |
| 581 |
{ |
| 582 |
sampler_2d_i (GLuint texture) : sampler_i<GL_TEXTURE_2D, str_sampler_2d> (texture) { } |
| 583 |
}; |
| 584 |
|
| 585 |
struct sampler_2d_shadow_i : sampler_i<GL_TEXTURE_2D, str_sampler_2d_shadow> |
| 586 |
{ |
| 587 |
sampler_2d_shadow_i (GLuint texture) : sampler_i<GL_TEXTURE_2D, str_sampler_2d_shadow> (texture) { } |
| 588 |
}; |
| 589 |
|
| 590 |
struct sampler_2d_rect_i : sampler_i<GL_TEXTURE_2D, str_sampler_2d_rect> |
| 591 |
{ |
| 592 |
sampler_2d_rect_i (GLuint texture) : sampler_i<GL_TEXTURE_2D, str_sampler_2d_rect> (texture) { } |
| 593 |
}; |
| 594 |
|
| 595 |
struct sampler_2d_rect_shadow_i : sampler_i<GL_TEXTURE_2D, str_sampler_2d_rect_shadow> |
| 596 |
{ |
| 597 |
sampler_2d_rect_shadow_i (GLuint texture) : sampler_i<GL_TEXTURE_2D, str_sampler_2d_rect_shadow> (texture) { } |
| 598 |
}; |
| 599 |
|
| 600 |
struct sampler_3d_i : sampler_i<GL_TEXTURE_3D, str_sampler_3d> |
| 601 |
{ |
| 602 |
sampler_3d_i (GLuint texture) : sampler_i<GL_TEXTURE_3D, str_sampler_3d> (texture) { } |
| 603 |
}; |
| 604 |
|
| 605 |
struct sampler_3d_rect_i : sampler_i<GL_TEXTURE_3D, str_sampler_3d_rect> |
| 606 |
{ |
| 607 |
sampler_3d_rect_i (GLuint texture) : sampler_i<GL_TEXTURE_3D, str_sampler_3d_rect> (texture) { } |
| 608 |
}; |
| 609 |
|
| 610 |
struct sampler_cube_i : sampler_i<GL_TEXTURE_CUBE_MAP, str_sampler_cube> |
| 611 |
{ |
| 612 |
sampler_cube_i (GLuint texture) : sampler_i<GL_TEXTURE_CUBE_MAP, str_sampler_cube> (texture) { } |
| 613 |
}; |
| 614 |
|
| 615 |
template<class sampler_i> |
| 616 |
struct sampler_ref : auto_ref1<sampler_i, GLuint> |
| 617 |
{ |
| 618 |
sampler_ref (GLuint texture) |
| 619 |
: auto_ref1<sampler_i, GLuint> (texture) |
| 620 |
{ |
| 621 |
} |
| 622 |
}; |
| 623 |
|
| 624 |
typedef sampler_ref<sampler_1d_i> sampler_1d; |
| 625 |
typedef sampler_ref<sampler_1d_shadow_i> sampler_1d_shadow; |
| 626 |
typedef sampler_ref<sampler_2d_i> sampler_2d; |
| 627 |
typedef sampler_ref<sampler_2d_shadow_i> sampler_2d_shadow; |
| 628 |
typedef sampler_ref<sampler_2d_rect_i> sampler_2d_rect; |
| 629 |
typedef sampler_ref<sampler_2d_rect_shadow_i> sampler_2d_rect_shadow; |
| 630 |
typedef sampler_ref<sampler_3d_i> sampler_3d; |
| 631 |
typedef sampler_ref<sampler_3d_rect_i> sampler_3d_rect; |
| 632 |
typedef sampler_ref<sampler_cube_i> sampler_cube; |
| 633 |
|
| 634 |
struct shader_object_i : refcounted |
| 635 |
{ |
| 636 |
GLenum type; |
| 637 |
GLuint id; // GLhandleARB, but 2.0 will use uint |
| 638 |
|
| 639 |
void compile (const string &source); |
| 640 |
|
| 641 |
shader_object_i (GLenum type); |
| 642 |
~shader_object_i (); |
| 643 |
}; |
| 644 |
|
| 645 |
template<GLenum type> |
| 646 |
struct shader_object : ref<shader_object_i> |
| 647 |
{ |
| 648 |
shader_object () |
| 649 |
: ref<shader_object_i> (*new shader_object_i (type)) |
| 650 |
{ |
| 651 |
} |
| 652 |
}; |
| 653 |
|
| 654 |
typedef shader_object<GL_VERTEX_SHADER_ARB> vertex_shader; |
| 655 |
typedef shader_object<GL_FRAGMENT_SHADER_ARB> fragment_shader; |
| 656 |
|
| 657 |
struct program_object_i : refcounted |
| 658 |
{ |
| 659 |
static struct program_object_i *cur; // currently bound program |
| 660 |
|
| 661 |
GLuint id; |
| 662 |
|
| 663 |
map<uniform_i *,GLint> uloc; // uniform location |
| 664 |
|
| 665 |
program_object_i (); |
| 666 |
~program_object_i (); |
| 667 |
|
| 668 |
void attach (const ref<shader_object_i> &shader) |
| 669 |
{ |
| 670 |
glAttachObjectARB (id, shader->id); |
| 671 |
} |
| 672 |
|
| 673 |
void link (); |
| 674 |
|
| 675 |
void enable (); |
| 676 |
void disable (); |
| 677 |
}; |
| 678 |
|
| 679 |
typedef auto_ref0<program_object_i> program_object; |
| 680 |
|
| 681 |
// create a new program or return a cached one |
| 682 |
program_object get_program (const string &vsh, const string &fsh); |
| 683 |
|
| 684 |
template<int length> |
| 685 |
struct sl_string |
| 686 |
{ |
| 687 |
char str[length]; |
| 688 |
|
| 689 |
void operator ()() const |
| 690 |
{ |
| 691 |
shader_builder::cur->code << str; |
| 692 |
} |
| 693 |
}; |
| 694 |
|
| 695 |
struct sl_float |
| 696 |
{ |
| 697 |
const GLfloat c; |
| 698 |
|
| 699 |
sl_float (GLfloat c) : c(c) { } |
| 700 |
|
| 701 |
void operator ()() const |
| 702 |
{ |
| 703 |
shader_builder::cur->code << c; |
| 704 |
} |
| 705 |
}; |
| 706 |
|
| 707 |
template<typename expr> |
| 708 |
struct sl_convert |
| 709 |
{ |
| 710 |
typedef sl_expr<expr> T; |
| 711 |
static inline const T &convert (const T &e) |
| 712 |
{ |
| 713 |
return e; |
| 714 |
} |
| 715 |
}; |
| 716 |
|
| 717 |
template<> |
| 718 |
struct sl_convert<GLfloat> |
| 719 |
{ |
| 720 |
typedef sl_expr<sl_float> T; |
| 721 |
static inline const T convert (GLfloat f) |
| 722 |
{ |
| 723 |
return sl_float (f); |
| 724 |
} |
| 725 |
}; |
| 726 |
|
| 727 |
template<> |
| 728 |
struct sl_convert<GLdouble> |
| 729 |
{ |
| 730 |
typedef sl_expr<sl_float> T; |
| 731 |
static inline const T convert (GLdouble d) |
| 732 |
{ |
| 733 |
return sl_float (d); |
| 734 |
} |
| 735 |
}; |
| 736 |
|
| 737 |
template<> |
| 738 |
struct sl_convert<GLint> |
| 739 |
{ |
| 740 |
typedef sl_expr<sl_float> T; |
| 741 |
static inline const T convert (GLint i) |
| 742 |
{ |
| 743 |
return sl_float (i); |
| 744 |
} |
| 745 |
}; |
| 746 |
|
| 747 |
template<> |
| 748 |
struct sl_convert<vec2> |
| 749 |
{ |
| 750 |
static const sl_expr< sl_string<60> > convert (const vec2 &v); |
| 751 |
}; |
| 752 |
|
| 753 |
template<> |
| 754 |
struct sl_convert<vec3> |
| 755 |
{ |
| 756 |
static const sl_expr< sl_string<80> > convert (const vec3 &v); |
| 757 |
}; |
| 758 |
|
| 759 |
template<> |
| 760 |
struct sl_convert<vec4> |
| 761 |
{ |
| 762 |
static const sl_expr< sl_string<100> > convert (const vec4 &v); |
| 763 |
}; |
| 764 |
|
| 765 |
template<class ref> |
| 766 |
struct sl_ref |
| 767 |
{ |
| 768 |
ref r; |
| 769 |
sl_ref (const ref &r) : r(r) { } |
| 770 |
void operator ()() const { r->operator ()(); } |
| 771 |
}; |
| 772 |
|
| 773 |
template<> |
| 774 |
template<class var_i> |
| 775 |
struct sl_convert< var_ref<var_i> > |
| 776 |
{ |
| 777 |
typedef sl_expr< sl_ref< var_ref<var_i> > > T; |
| 778 |
static inline const T convert (const var_ref<var_i> &v) |
| 779 |
{ |
| 780 |
return T (v); |
| 781 |
} |
| 782 |
}; |
| 783 |
|
| 784 |
template<> |
| 785 |
template<class gluvar_i> |
| 786 |
struct sl_convert< auto_lvalue_ref1<gluvar_i, const char *> > |
| 787 |
{ |
| 788 |
typedef sl_expr< sl_ref< auto_lvalue_ref1<gluvar_i, const char *> > > T; |
| 789 |
static inline const T convert (const auto_lvalue_ref1<gluvar_i, const char *> &v) |
| 790 |
{ |
| 791 |
return T (v); |
| 792 |
} |
| 793 |
}; |
| 794 |
|
| 795 |
template<> |
| 796 |
template<const char *strtype, class var_i> |
| 797 |
struct sl_convert< glnvar_ref<strtype, var_i> > |
| 798 |
{ |
| 799 |
typedef sl_expr< sl_ref< glnvar_ref<strtype, var_i> > > T; |
| 800 |
static inline const T convert (const glnvar_ref<strtype, var_i> &v) |
| 801 |
{ |
| 802 |
return T (v); |
| 803 |
} |
| 804 |
}; |
| 805 |
|
| 806 |
template<> |
| 807 |
template<class sampler_i> |
| 808 |
struct sl_convert< sampler_ref<sampler_i> > |
| 809 |
{ |
| 810 |
typedef sl_expr< sl_ref< sampler_ref<sampler_i> > > T; |
| 811 |
static inline const T convert (const sampler_ref<sampler_i> &v) |
| 812 |
{ |
| 813 |
return T (v); |
| 814 |
} |
| 815 |
}; |
| 816 |
|
| 817 |
template<class lvalue, typename expr> |
| 818 |
inline void sl_assign (const lvalue &l, const expr &e) |
| 819 |
{ |
| 820 |
shader_builder::cur->code << " "; |
| 821 |
sl_convert<lvalue>::convert (l) (); |
| 822 |
shader_builder::cur->code << " = "; |
| 823 |
sl_convert<expr>::convert (e) (); |
| 824 |
shader_builder::cur->code << ";\n"; |
| 825 |
} |
| 826 |
|
| 827 |
template<class type> |
| 828 |
template<typename expr> |
| 829 |
inline const auto_lvalue_ref0<type> &auto_lvalue_ref0<type>::operator =(const expr &e) const |
| 830 |
{ |
| 831 |
sl_assign (*this, e); |
| 832 |
return *this; |
| 833 |
} |
| 834 |
|
| 835 |
template<class type, typename arg1> |
| 836 |
template<typename expr> |
| 837 |
inline const auto_lvalue_ref1<type,arg1> &auto_lvalue_ref1<type,arg1>::operator =(const expr &e) const |
| 838 |
{ |
| 839 |
sl_assign (*this, e); |
| 840 |
return *this; |
| 841 |
} |
| 842 |
|
| 843 |
template<class T> |
| 844 |
template<typename expr> |
| 845 |
inline const sl_expr<T> &sl_expr<T>::operator =(const expr &e) const |
| 846 |
{ |
| 847 |
sl_assign (*this, e); |
| 848 |
return *this; |
| 849 |
} |
| 850 |
|
| 851 |
template<const char *strtype, class var_i> |
| 852 |
template<typename expr> |
| 853 |
inline const glnvar_ref<strtype, var_i> &glnvar_ref<strtype, var_i>::operator =(const expr &e) const |
| 854 |
{ |
| 855 |
sl_assign (*this, e); |
| 856 |
return *this; |
| 857 |
} |
| 858 |
|
| 859 |
namespace compile { |
| 860 |
using namespace shader; |
| 861 |
|
| 862 |
template<typename T> |
| 863 |
inline const sl_expr< sl_func1<typename sl_convert<T>::T> > |
| 864 |
operator +(const T &t) |
| 865 |
{ |
| 866 |
return sl_func1<typename sl_convert<T>::T> ("+(", sl_convert<T>::convert (t)); |
| 867 |
} |
| 868 |
|
| 869 |
template<typename T> |
| 870 |
inline const sl_expr< sl_func1<typename sl_convert<T>::T> > |
| 871 |
operator -(const T &t) |
| 872 |
{ |
| 873 |
return sl_func1<typename sl_convert<T>::T> ("-(", sl_convert<T>::convert (t)); |
| 874 |
} |
| 875 |
|
| 876 |
template<class A, class C> |
| 877 |
struct sl_binop |
| 878 |
{ |
| 879 |
const A a; const char *b; const C c; |
| 880 |
sl_binop (const A &a, const char *b, const C &c) : a(a), b(b), c(c) { } |
| 881 |
void operator ()() const |
| 882 |
{ |
| 883 |
shader_builder::cur->code << "("; |
| 884 |
a (); |
| 885 |
shader_builder::cur->code << b; |
| 886 |
c (); |
| 887 |
shader_builder::cur->code << ")"; |
| 888 |
} |
| 889 |
}; |
| 890 |
|
| 891 |
# define SHADER_BINOP(op) \ |
| 892 |
template<typename A, typename B> \ |
| 893 |
inline const sl_expr< sl_binop< typename sl_convert<A>::T, \ |
| 894 |
typename sl_convert<B>::T > > \ |
| 895 |
operator op(const A &a, const B &b) \ |
| 896 |
{ \ |
| 897 |
return sl_binop< typename sl_convert<A>::T, typename sl_convert<B>::T > \ |
| 898 |
(sl_convert<A>::convert (a), " " # op " ", sl_convert<B>::convert (b)); \ |
| 899 |
} |
| 900 |
|
| 901 |
SHADER_BINOP (+); |
| 902 |
SHADER_BINOP (-); |
| 903 |
SHADER_BINOP (*); |
| 904 |
SHADER_BINOP (/); |
| 905 |
SHADER_BINOP (%); |
| 906 |
|
| 907 |
SHADER_BINOP (<); |
| 908 |
SHADER_BINOP (<=); |
| 909 |
SHADER_BINOP (==); |
| 910 |
SHADER_BINOP (!=); |
| 911 |
SHADER_BINOP (>=); |
| 912 |
SHADER_BINOP (>); |
| 913 |
|
| 914 |
# undef SHADER_BINOP |
| 915 |
|
| 916 |
template<class A> |
| 917 |
struct sl_swizzle |
| 918 |
{ |
| 919 |
const A a; |
| 920 |
const char *swizzle; |
| 921 |
sl_swizzle (const A &a, const char *swizzle) : a(a), swizzle(swizzle) { } |
| 922 |
void operator ()() const |
| 923 |
{ |
| 924 |
shader_builder::cur->code << "("; |
| 925 |
a (); |
| 926 |
shader_builder::cur->code << ")." << swizzle; |
| 927 |
} |
| 928 |
}; |
| 929 |
|
| 930 |
# define SHADER_SWIZZLE_OP(type) \ |
| 931 |
template<typename T> \ |
| 932 |
inline const sl_expr< sl_swizzle<typename sl_convert<T>::T> > \ |
| 933 |
type (const T &t) \ |
| 934 |
{ \ |
| 935 |
return sl_swizzle<typename sl_convert<T>::T> (sl_convert<T>::convert (t), #type); \ |
| 936 |
} |
| 937 |
|
| 938 |
// brute force is lovely, ain't it? |
| 939 |
SHADER_SWIZZLE_OP (x ) SHADER_SWIZZLE_OP (xx ) SHADER_SWIZZLE_OP (xxx ) SHADER_SWIZZLE_OP (xxxx) |
| 940 |
SHADER_SWIZZLE_OP (xxxy) SHADER_SWIZZLE_OP (xxxz) SHADER_SWIZZLE_OP (xxxw) SHADER_SWIZZLE_OP (xxy ) |
| 941 |
SHADER_SWIZZLE_OP (xxyx) SHADER_SWIZZLE_OP (xxyy) SHADER_SWIZZLE_OP (xxyz) SHADER_SWIZZLE_OP (xxyw) |
| 942 |
SHADER_SWIZZLE_OP (xxz ) SHADER_SWIZZLE_OP (xxzx) SHADER_SWIZZLE_OP (xxzy) SHADER_SWIZZLE_OP (xxzz) |
| 943 |
SHADER_SWIZZLE_OP (xxzw) SHADER_SWIZZLE_OP (xxw ) SHADER_SWIZZLE_OP (xxwx) SHADER_SWIZZLE_OP (xxwy) |
| 944 |
SHADER_SWIZZLE_OP (xxwz) SHADER_SWIZZLE_OP (xxww) SHADER_SWIZZLE_OP (xy ) SHADER_SWIZZLE_OP (xyx ) |
| 945 |
SHADER_SWIZZLE_OP (xyxx) SHADER_SWIZZLE_OP (xyxy) SHADER_SWIZZLE_OP (xyxz) SHADER_SWIZZLE_OP (xyxw) |
| 946 |
SHADER_SWIZZLE_OP (xyy ) SHADER_SWIZZLE_OP (xyyx) SHADER_SWIZZLE_OP (xyyy) SHADER_SWIZZLE_OP (xyyz) |
| 947 |
SHADER_SWIZZLE_OP (xyyw) SHADER_SWIZZLE_OP (xyz ) SHADER_SWIZZLE_OP (xyzx) SHADER_SWIZZLE_OP (xyzy) |
| 948 |
SHADER_SWIZZLE_OP (xyzz) SHADER_SWIZZLE_OP (xyzw) SHADER_SWIZZLE_OP (xyw ) SHADER_SWIZZLE_OP (xywx) |
| 949 |
SHADER_SWIZZLE_OP (xywy) SHADER_SWIZZLE_OP (xywz) SHADER_SWIZZLE_OP (xyww) SHADER_SWIZZLE_OP (xz ) |
| 950 |
SHADER_SWIZZLE_OP (xzx ) SHADER_SWIZZLE_OP (xzxx) SHADER_SWIZZLE_OP (xzxy) SHADER_SWIZZLE_OP (xzxz) |
| 951 |
SHADER_SWIZZLE_OP (xzxw) SHADER_SWIZZLE_OP (xzy ) SHADER_SWIZZLE_OP (xzyx) SHADER_SWIZZLE_OP (xzyy) |
| 952 |
SHADER_SWIZZLE_OP (xzyz) SHADER_SWIZZLE_OP (xzyw) SHADER_SWIZZLE_OP (xzz ) SHADER_SWIZZLE_OP (xzzx) |
| 953 |
SHADER_SWIZZLE_OP (xzzy) SHADER_SWIZZLE_OP (xzzz) SHADER_SWIZZLE_OP (xzzw) SHADER_SWIZZLE_OP (xzw ) |
| 954 |
SHADER_SWIZZLE_OP (xzwx) SHADER_SWIZZLE_OP (xzwy) SHADER_SWIZZLE_OP (xzwz) SHADER_SWIZZLE_OP (xzww) |
| 955 |
SHADER_SWIZZLE_OP (xw ) SHADER_SWIZZLE_OP (xwx ) SHADER_SWIZZLE_OP (xwxx) SHADER_SWIZZLE_OP (xwxy) |
| 956 |
SHADER_SWIZZLE_OP (xwxz) SHADER_SWIZZLE_OP (xwxw) SHADER_SWIZZLE_OP (xwy ) SHADER_SWIZZLE_OP (xwyx) |
| 957 |
SHADER_SWIZZLE_OP (xwyy) SHADER_SWIZZLE_OP (xwyz) SHADER_SWIZZLE_OP (xwyw) SHADER_SWIZZLE_OP (xwz ) |
| 958 |
SHADER_SWIZZLE_OP (xwzx) SHADER_SWIZZLE_OP (xwzy) SHADER_SWIZZLE_OP (xwzz) SHADER_SWIZZLE_OP (xwzw) |
| 959 |
SHADER_SWIZZLE_OP (xww ) SHADER_SWIZZLE_OP (xwwx) SHADER_SWIZZLE_OP (xwwy) SHADER_SWIZZLE_OP (xwwz) |
| 960 |
SHADER_SWIZZLE_OP (xwww) SHADER_SWIZZLE_OP (y ) SHADER_SWIZZLE_OP (yx ) SHADER_SWIZZLE_OP (yxx ) |
| 961 |
SHADER_SWIZZLE_OP (yxxx) SHADER_SWIZZLE_OP (yxxy) SHADER_SWIZZLE_OP (yxxz) SHADER_SWIZZLE_OP (yxxw) |
| 962 |
SHADER_SWIZZLE_OP (yxy ) SHADER_SWIZZLE_OP (yxyx) SHADER_SWIZZLE_OP (yxyy) SHADER_SWIZZLE_OP (yxyz) |
| 963 |
SHADER_SWIZZLE_OP (yxyw) SHADER_SWIZZLE_OP (yxz ) SHADER_SWIZZLE_OP (yxzx) SHADER_SWIZZLE_OP (yxzy) |
| 964 |
SHADER_SWIZZLE_OP (yxzz) SHADER_SWIZZLE_OP (yxzw) SHADER_SWIZZLE_OP (yxw ) SHADER_SWIZZLE_OP (yxwx) |
| 965 |
SHADER_SWIZZLE_OP (yxwy) SHADER_SWIZZLE_OP (yxwz) SHADER_SWIZZLE_OP (yxww) SHADER_SWIZZLE_OP (yy ) |
| 966 |
SHADER_SWIZZLE_OP (yyx ) SHADER_SWIZZLE_OP (yyxx) SHADER_SWIZZLE_OP (yyxy) SHADER_SWIZZLE_OP (yyxz) |
| 967 |
SHADER_SWIZZLE_OP (yyxw) SHADER_SWIZZLE_OP (yyy ) SHADER_SWIZZLE_OP (yyyx) SHADER_SWIZZLE_OP (yyyy) |
| 968 |
SHADER_SWIZZLE_OP (yyyz) SHADER_SWIZZLE_OP (yyyw) SHADER_SWIZZLE_OP (yyz ) SHADER_SWIZZLE_OP (yyzx) |
| 969 |
SHADER_SWIZZLE_OP (yyzy) SHADER_SWIZZLE_OP (yyzz) SHADER_SWIZZLE_OP (yyzw) SHADER_SWIZZLE_OP (yyw ) |
| 970 |
SHADER_SWIZZLE_OP (yywx) SHADER_SWIZZLE_OP (yywy) SHADER_SWIZZLE_OP (yywz) SHADER_SWIZZLE_OP (yyww) |
| 971 |
SHADER_SWIZZLE_OP (yz ) SHADER_SWIZZLE_OP (yzx ) SHADER_SWIZZLE_OP (yzxx) SHADER_SWIZZLE_OP (yzxy) |
| 972 |
SHADER_SWIZZLE_OP (yzxz) SHADER_SWIZZLE_OP (yzxw) SHADER_SWIZZLE_OP (yzy ) SHADER_SWIZZLE_OP (yzyx) |
| 973 |
SHADER_SWIZZLE_OP (yzyy) SHADER_SWIZZLE_OP (yzyz) SHADER_SWIZZLE_OP (yzyw) SHADER_SWIZZLE_OP (yzz ) |
| 974 |
SHADER_SWIZZLE_OP (yzzx) SHADER_SWIZZLE_OP (yzzy) SHADER_SWIZZLE_OP (yzzz) SHADER_SWIZZLE_OP (yzzw) |
| 975 |
SHADER_SWIZZLE_OP (yzw ) SHADER_SWIZZLE_OP (yzwx) SHADER_SWIZZLE_OP (yzwy) SHADER_SWIZZLE_OP (yzwz) |
| 976 |
SHADER_SWIZZLE_OP (yzww) SHADER_SWIZZLE_OP (yw ) SHADER_SWIZZLE_OP (ywx ) SHADER_SWIZZLE_OP (ywxx) |
| 977 |
SHADER_SWIZZLE_OP (ywxy) SHADER_SWIZZLE_OP (ywxz) SHADER_SWIZZLE_OP (ywxw) SHADER_SWIZZLE_OP (ywy ) |
| 978 |
SHADER_SWIZZLE_OP (ywyx) SHADER_SWIZZLE_OP (ywyy) SHADER_SWIZZLE_OP (ywyz) SHADER_SWIZZLE_OP (ywyw) |
| 979 |
SHADER_SWIZZLE_OP (ywz ) SHADER_SWIZZLE_OP (ywzx) SHADER_SWIZZLE_OP (ywzy) SHADER_SWIZZLE_OP (ywzz) |
| 980 |
SHADER_SWIZZLE_OP (ywzw) SHADER_SWIZZLE_OP (yww ) SHADER_SWIZZLE_OP (ywwx) SHADER_SWIZZLE_OP (ywwy) |
| 981 |
SHADER_SWIZZLE_OP (ywwz) SHADER_SWIZZLE_OP (ywww) SHADER_SWIZZLE_OP (z ) SHADER_SWIZZLE_OP (zx ) |
| 982 |
SHADER_SWIZZLE_OP (zxx ) SHADER_SWIZZLE_OP (zxxx) SHADER_SWIZZLE_OP (zxxy) SHADER_SWIZZLE_OP (zxxz) |
| 983 |
SHADER_SWIZZLE_OP (zxxw) SHADER_SWIZZLE_OP (zxy ) SHADER_SWIZZLE_OP (zxyx) SHADER_SWIZZLE_OP (zxyy) |
| 984 |
SHADER_SWIZZLE_OP (zxyz) SHADER_SWIZZLE_OP (zxyw) SHADER_SWIZZLE_OP (zxz ) SHADER_SWIZZLE_OP (zxzx) |
| 985 |
SHADER_SWIZZLE_OP (zxzy) SHADER_SWIZZLE_OP (zxzz) SHADER_SWIZZLE_OP (zxzw) SHADER_SWIZZLE_OP (zxw ) |
| 986 |
SHADER_SWIZZLE_OP (zxwx) SHADER_SWIZZLE_OP (zxwy) SHADER_SWIZZLE_OP (zxwz) SHADER_SWIZZLE_OP (zxww) |
| 987 |
SHADER_SWIZZLE_OP (zy ) SHADER_SWIZZLE_OP (zyx ) SHADER_SWIZZLE_OP (zyxx) SHADER_SWIZZLE_OP (zyxy) |
| 988 |
SHADER_SWIZZLE_OP (zyxz) SHADER_SWIZZLE_OP (zyxw) SHADER_SWIZZLE_OP (zyy ) SHADER_SWIZZLE_OP (zyyx) |
| 989 |
SHADER_SWIZZLE_OP (zyyy) SHADER_SWIZZLE_OP (zyyz) SHADER_SWIZZLE_OP (zyyw) SHADER_SWIZZLE_OP (zyz ) |
| 990 |
SHADER_SWIZZLE_OP (zyzx) SHADER_SWIZZLE_OP (zyzy) SHADER_SWIZZLE_OP (zyzz) SHADER_SWIZZLE_OP (zyzw) |
| 991 |
SHADER_SWIZZLE_OP (zyw ) SHADER_SWIZZLE_OP (zywx) SHADER_SWIZZLE_OP (zywy) SHADER_SWIZZLE_OP (zywz) |
| 992 |
SHADER_SWIZZLE_OP (zyww) SHADER_SWIZZLE_OP (zz ) SHADER_SWIZZLE_OP (zzx ) SHADER_SWIZZLE_OP (zzxx) |
| 993 |
SHADER_SWIZZLE_OP (zzxy) SHADER_SWIZZLE_OP (zzxz) SHADER_SWIZZLE_OP (zzxw) SHADER_SWIZZLE_OP (zzy ) |
| 994 |
SHADER_SWIZZLE_OP (zzyx) SHADER_SWIZZLE_OP (zzyy) SHADER_SWIZZLE_OP (zzyz) SHADER_SWIZZLE_OP (zzyw) |
| 995 |
SHADER_SWIZZLE_OP (zzz ) SHADER_SWIZZLE_OP (zzzx) SHADER_SWIZZLE_OP (zzzy) SHADER_SWIZZLE_OP (zzzz) |
| 996 |
SHADER_SWIZZLE_OP (zzzw) SHADER_SWIZZLE_OP (zzw ) SHADER_SWIZZLE_OP (zzwx) SHADER_SWIZZLE_OP (zzwy) |
| 997 |
SHADER_SWIZZLE_OP (zzwz) SHADER_SWIZZLE_OP (zzww) SHADER_SWIZZLE_OP (zw ) SHADER_SWIZZLE_OP (zwx ) |
| 998 |
SHADER_SWIZZLE_OP (zwxx) SHADER_SWIZZLE_OP (zwxy) SHADER_SWIZZLE_OP (zwxz) SHADER_SWIZZLE_OP (zwxw) |
| 999 |
SHADER_SWIZZLE_OP (zwy ) SHADER_SWIZZLE_OP (zwyx) SHADER_SWIZZLE_OP (zwyy) SHADER_SWIZZLE_OP (zwyz) |
| 1000 |
SHADER_SWIZZLE_OP (zwyw) SHADER_SWIZZLE_OP (zwz ) SHADER_SWIZZLE_OP (zwzx) SHADER_SWIZZLE_OP (zwzy) |
| 1001 |
SHADER_SWIZZLE_OP (zwzz) SHADER_SWIZZLE_OP (zwzw) SHADER_SWIZZLE_OP (zww ) SHADER_SWIZZLE_OP (zwwx) |
| 1002 |
SHADER_SWIZZLE_OP (zwwy) SHADER_SWIZZLE_OP (zwwz) SHADER_SWIZZLE_OP (zwww) SHADER_SWIZZLE_OP (w ) |
| 1003 |
SHADER_SWIZZLE_OP (wx ) SHADER_SWIZZLE_OP (wxx ) SHADER_SWIZZLE_OP (wxxx) SHADER_SWIZZLE_OP (wxxy) |
| 1004 |
SHADER_SWIZZLE_OP (wxxz) SHADER_SWIZZLE_OP (wxxw) SHADER_SWIZZLE_OP (wxy ) SHADER_SWIZZLE_OP (wxyx) |
| 1005 |
SHADER_SWIZZLE_OP (wxyy) SHADER_SWIZZLE_OP (wxyz) SHADER_SWIZZLE_OP (wxyw) SHADER_SWIZZLE_OP (wxz ) |
| 1006 |
SHADER_SWIZZLE_OP (wxzx) SHADER_SWIZZLE_OP (wxzy) SHADER_SWIZZLE_OP (wxzz) SHADER_SWIZZLE_OP (wxzw) |
| 1007 |
SHADER_SWIZZLE_OP (wxw ) SHADER_SWIZZLE_OP (wxwx) SHADER_SWIZZLE_OP (wxwy) SHADER_SWIZZLE_OP (wxwz) |
| 1008 |
SHADER_SWIZZLE_OP (wxww) SHADER_SWIZZLE_OP (wy ) SHADER_SWIZZLE_OP (wyx ) SHADER_SWIZZLE_OP (wyxx) |
| 1009 |
SHADER_SWIZZLE_OP (wyxy) SHADER_SWIZZLE_OP (wyxz) SHADER_SWIZZLE_OP (wyxw) SHADER_SWIZZLE_OP (wyy ) |
| 1010 |
SHADER_SWIZZLE_OP (wyyx) SHADER_SWIZZLE_OP (wyyy) SHADER_SWIZZLE_OP (wyyz) SHADER_SWIZZLE_OP (wyyw) |
| 1011 |
SHADER_SWIZZLE_OP (wyz ) SHADER_SWIZZLE_OP (wyzx) SHADER_SWIZZLE_OP (wyzy) SHADER_SWIZZLE_OP (wyzz) |
| 1012 |
SHADER_SWIZZLE_OP (wyzw) SHADER_SWIZZLE_OP (wyw ) SHADER_SWIZZLE_OP (wywx) SHADER_SWIZZLE_OP (wywy) |
| 1013 |
SHADER_SWIZZLE_OP (wywz) SHADER_SWIZZLE_OP (wyww) SHADER_SWIZZLE_OP (wz ) SHADER_SWIZZLE_OP (wzx ) |
| 1014 |
SHADER_SWIZZLE_OP (wzxx) SHADER_SWIZZLE_OP (wzxy) SHADER_SWIZZLE_OP (wzxz) SHADER_SWIZZLE_OP (wzxw) |
| 1015 |
SHADER_SWIZZLE_OP (wzy ) SHADER_SWIZZLE_OP (wzyx) SHADER_SWIZZLE_OP (wzyy) SHADER_SWIZZLE_OP (wzyz) |
| 1016 |
SHADER_SWIZZLE_OP (wzyw) SHADER_SWIZZLE_OP (wzz ) SHADER_SWIZZLE_OP (wzzx) SHADER_SWIZZLE_OP (wzzy) |
| 1017 |
SHADER_SWIZZLE_OP (wzzz) SHADER_SWIZZLE_OP (wzzw) SHADER_SWIZZLE_OP (wzw ) SHADER_SWIZZLE_OP (wzwx) |
| 1018 |
SHADER_SWIZZLE_OP (wzwy) SHADER_SWIZZLE_OP (wzwz) SHADER_SWIZZLE_OP (wzww) SHADER_SWIZZLE_OP (ww ) |
| 1019 |
SHADER_SWIZZLE_OP (wwx ) SHADER_SWIZZLE_OP (wwxx) SHADER_SWIZZLE_OP (wwxy) SHADER_SWIZZLE_OP (wwxz) |
| 1020 |
SHADER_SWIZZLE_OP (wwxw) SHADER_SWIZZLE_OP (wwy ) SHADER_SWIZZLE_OP (wwyx) SHADER_SWIZZLE_OP (wwyy) |
| 1021 |
SHADER_SWIZZLE_OP (wwyz) SHADER_SWIZZLE_OP (wwyw) SHADER_SWIZZLE_OP (wwz ) SHADER_SWIZZLE_OP (wwzx) |
| 1022 |
SHADER_SWIZZLE_OP (wwzy) SHADER_SWIZZLE_OP (wwzz) SHADER_SWIZZLE_OP (wwzw) SHADER_SWIZZLE_OP (www ) |
| 1023 |
SHADER_SWIZZLE_OP (wwwx) SHADER_SWIZZLE_OP (wwwy) SHADER_SWIZZLE_OP (wwwz) SHADER_SWIZZLE_OP (wwww) |
| 1024 |
|
| 1025 |
# undef SHADER_SWIZZLE_OP |
| 1026 |
|
| 1027 |
# define SHADER_FUNC0_(name, glname) \ |
| 1028 |
template<typename A> \ |
| 1029 |
inline const sl_expr<sl_func0> \ |
| 1030 |
name () \ |
| 1031 |
{ \ |
| 1032 |
return sl_func0 (#glname " ("); \ |
| 1033 |
} |
| 1034 |
|
| 1035 |
# define SHADER_FUNC0(name) SHADER_FUNC0_(name,name) |
| 1036 |
|
| 1037 |
# define SHADER_FUNC1_(name, glname) \ |
| 1038 |
template<typename A> \ |
| 1039 |
inline const sl_expr< sl_func1<typename sl_convert<A>::T> > \ |
| 1040 |
name (const A &a) \ |
| 1041 |
{ \ |
| 1042 |
return sl_func1<typename sl_convert<A>::T> (#glname " (", sl_convert<A>::convert (a));\ |
| 1043 |
} |
| 1044 |
|
| 1045 |
# define SHADER_FUNC1(name) SHADER_FUNC1_(name,name) |
| 1046 |
|
| 1047 |
# define SHADER_FUNC2_(name, glname) \ |
| 1048 |
template<typename A, typename B> \ |
| 1049 |
inline const sl_expr< sl_func2<typename sl_convert<A>::T, typename sl_convert<B>::T> > \ |
| 1050 |
name (const A &a, const B &b) \ |
| 1051 |
{ \ |
| 1052 |
return sl_func2<typename sl_convert<A>::T, typename sl_convert<B>::T> (#glname " (", sl_convert<A>::convert (a), sl_convert<B>::convert (b));\ |
| 1053 |
} |
| 1054 |
|
| 1055 |
# define SHADER_FUNC2(name) SHADER_FUNC2_(name,name) |
| 1056 |
|
| 1057 |
# define SHADER_FUNC3_(name, glname) \ |
| 1058 |
template<typename A, typename B, typename C> \ |
| 1059 |
inline const sl_expr< sl_func3<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T> > \ |
| 1060 |
name (const A &a, const B &b, const C &c) \ |
| 1061 |
{ \ |
| 1062 |
return sl_func3<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T> (#glname " (", sl_convert<A>::convert (a), sl_convert<B>::convert (b), sl_convert<C>::convert (c));\ |
| 1063 |
} |
| 1064 |
|
| 1065 |
# define SHADER_FUNC3(name) SHADER_FUNC3_(name,name) |
| 1066 |
|
| 1067 |
# define SHADER_FUNC4_(name, glname) \ |
| 1068 |
template<typename A, typename B, typename C, typename D> \ |
| 1069 |
inline const sl_expr< sl_func4<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T, typename sl_convert<D>::T > > \ |
| 1070 |
name (const A &a, const B &b, const C &c, const D &d) \ |
| 1071 |
{ \ |
| 1072 |
return sl_func4<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T, typename sl_convert<D>::T> (#glname " (", sl_convert<A>::convert (a), sl_convert<B>::convert (b), sl_convert<C>::convert (c), sl_convert<D>::convert (d));\ |
| 1073 |
} |
| 1074 |
|
| 1075 |
# define SHADER_FUNC4(name) SHADER_FUNC4_(name,name) |
| 1076 |
|
| 1077 |
SHADER_FUNC1 (abs) |
| 1078 |
SHADER_FUNC1 (acos) |
| 1079 |
SHADER_FUNC1 (all) |
| 1080 |
SHADER_FUNC1 (any) |
| 1081 |
SHADER_FUNC1 (asin) |
| 1082 |
SHADER_FUNC1 (atan) |
| 1083 |
SHADER_FUNC2 (atan) |
| 1084 |
SHADER_FUNC1 (ceil) |
| 1085 |
SHADER_FUNC3 (clamp) |
| 1086 |
SHADER_FUNC1 (cos) |
| 1087 |
SHADER_FUNC2 (cross) |
| 1088 |
SHADER_FUNC1 (dFdx) |
| 1089 |
SHADER_FUNC1 (dFdy) |
| 1090 |
SHADER_FUNC1 (degrees) |
| 1091 |
SHADER_FUNC2 (distance) |
| 1092 |
SHADER_FUNC2 (dot) |
| 1093 |
SHADER_FUNC2_(equal, equal) |
| 1094 |
SHADER_FUNC1 (exp) |
| 1095 |
SHADER_FUNC1 (exp2) |
| 1096 |
SHADER_FUNC3 (faceforward) |
| 1097 |
SHADER_FUNC1 (floor) |
| 1098 |
SHADER_FUNC1 (fract) |
| 1099 |
SHADER_FUNC0 (ftransform) |
| 1100 |
SHADER_FUNC1 (fwidth) |
| 1101 |
SHADER_FUNC2_(greater_than_equal, greaterThanEqual) |
| 1102 |
SHADER_FUNC2_(greater_then, greaterThan) |
| 1103 |
SHADER_FUNC1 (inversesqrt) |
| 1104 |
SHADER_FUNC1 (length) |
| 1105 |
SHADER_FUNC2_(less_than, lessThan) |
| 1106 |
SHADER_FUNC2_(less_than_equal, lessThanEqual) |
| 1107 |
SHADER_FUNC1 (log) |
| 1108 |
SHADER_FUNC1 (log2) |
| 1109 |
SHADER_FUNC2_(matrix_comp_mult, matrixCompMult) |
| 1110 |
SHADER_FUNC2 (max) |
| 1111 |
SHADER_FUNC2 (min) |
| 1112 |
SHADER_FUNC3 (mix) |
| 1113 |
SHADER_FUNC2 (mod) |
| 1114 |
SHADER_FUNC1 (noise1) |
| 1115 |
SHADER_FUNC1 (noise2) |
| 1116 |
SHADER_FUNC1 (noise3) |
| 1117 |
SHADER_FUNC1 (noise4) |
| 1118 |
SHADER_FUNC1 (normalize) |
| 1119 |
SHADER_FUNC1 (gl_not) // TODO |
| 1120 |
SHADER_FUNC2_(notequal, notEqual) |
| 1121 |
SHADER_FUNC2 (pow) |
| 1122 |
SHADER_FUNC1 (radians) |
| 1123 |
SHADER_FUNC2 (reflect) |
| 1124 |
SHADER_FUNC3 (refract) |
| 1125 |
SHADER_FUNC2_(shadow_1d, shadow1D) |
| 1126 |
SHADER_FUNC3_(shadow_1d, shadow1D) |
| 1127 |
SHADER_FUNC3_(shadow_1d_lod, shadow1DLod) |
| 1128 |
SHADER_FUNC2_(shadow_1d_proj, shadow1DProj) |
| 1129 |
SHADER_FUNC3_(shadow_1d_proj, shadow1DProj) |
| 1130 |
SHADER_FUNC3_(shadow_1d_proj_lod, shadow1DProjLod) |
| 1131 |
SHADER_FUNC2_(shadow_2d, shadow2D) |
| 1132 |
SHADER_FUNC3_(shadow_2d, shadow2D) |
| 1133 |
SHADER_FUNC3_(shadow_2d_lod, shadow2DLod) |
| 1134 |
SHADER_FUNC2_(shadow_2d_proj, shadow2DProj) |
| 1135 |
SHADER_FUNC3_(shadow_2d_proj, shadow2DProj) |
| 1136 |
SHADER_FUNC3_(shadow_2d_proj_lod, shadow2DProjLod) |
| 1137 |
SHADER_FUNC1 (sign) |
| 1138 |
SHADER_FUNC1 (sin) |
| 1139 |
SHADER_FUNC3 (smoothstep) |
| 1140 |
SHADER_FUNC1 (sqrt) |
| 1141 |
SHADER_FUNC2 (step) |
| 1142 |
SHADER_FUNC1 (tan) |
| 1143 |
SHADER_FUNC2_(texture_1d, texture1D) |
| 1144 |
SHADER_FUNC3_(texture_1d, texture1D) |
| 1145 |
SHADER_FUNC3_(texture_1d_lod, texture1DLod) |
| 1146 |
SHADER_FUNC2_(texture_1d_proj, texture1DProj) |
| 1147 |
SHADER_FUNC3_(texture_1d_proj, texture1DProj) |
| 1148 |
SHADER_FUNC3_(texture_1d_proj_lod, texture1DProjLod) |
| 1149 |
SHADER_FUNC2_(texture_2d, texture2D) |
| 1150 |
SHADER_FUNC3_(texture_2d, texture2D) |
| 1151 |
SHADER_FUNC3_(texture_2d_lod, texture2DLod) |
| 1152 |
SHADER_FUNC2_(texture_2d_proj, texture2DProj) |
| 1153 |
SHADER_FUNC3_(texture_2d_proj, texture2DProj) |
| 1154 |
SHADER_FUNC3_(texture_2d_proj_lod, texture2DProjLod) |
| 1155 |
SHADER_FUNC2_(texture_3d, texture3D) |
| 1156 |
SHADER_FUNC3_(texture_3d, texture3D) |
| 1157 |
SHADER_FUNC3_(texture_3d_lod, texture3DLod) |
| 1158 |
SHADER_FUNC2_(texture_3d_proj, texture3DProj) |
| 1159 |
SHADER_FUNC3_(texture_3d_proj, texture3DProj) |
| 1160 |
SHADER_FUNC3_(texture_3d_proj_lod, texture3DProjLod) |
| 1161 |
SHADER_FUNC2_(texture_cube, textureCube) |
| 1162 |
SHADER_FUNC3_(texture_cube, textureCube) |
| 1163 |
SHADER_FUNC3_(texture_cude_lod, textureCubeLod) |
| 1164 |
SHADER_FUNC1 (vec2) SHADER_FUNC2 (vec2) |
| 1165 |
SHADER_FUNC1 (vec3) SHADER_FUNC2 (vec3) SHADER_FUNC3 (vec3) |
| 1166 |
SHADER_FUNC1 (vec4) SHADER_FUNC2 (vec4) SHADER_FUNC3 (vec4) SHADER_FUNC4 (vec4) |
| 1167 |
// floatx is out extension |
| 1168 |
SHADER_FUNC1 (float2) SHADER_FUNC2 (float2) |
| 1169 |
SHADER_FUNC1 (float3) SHADER_FUNC2 (float3) SHADER_FUNC3 (float3) |
| 1170 |
SHADER_FUNC1 (float4) SHADER_FUNC2 (float4) SHADER_FUNC3 (float4) SHADER_FUNC4 (float4) |
| 1171 |
SHADER_FUNC1 (mat2) SHADER_FUNC2 (mat2) |
| 1172 |
SHADER_FUNC1 (mat3) SHADER_FUNC2 (mat3) SHADER_FUNC3 (mat3) |
| 1173 |
SHADER_FUNC1 (mat4) SHADER_FUNC2 (mat4) SHADER_FUNC3 (mat4) SHADER_FUNC4 (mat4) |
| 1174 |
|
| 1175 |
# undef SHADER_FUNC0 |
| 1176 |
# undef SHADER_FUNC0_ |
| 1177 |
# undef SHADER_FUNC1 |
| 1178 |
# undef SHADER_FUNC1_ |
| 1179 |
# undef SHADER_FUNC2 |
| 1180 |
# undef SHADER_FUNC2_ |
| 1181 |
# undef SHADER_FUNC3 |
| 1182 |
# undef SHADER_FUNC3_ |
| 1183 |
# undef SHADER_FUNC4 |
| 1184 |
# undef SHADER_FUNC5_ |
| 1185 |
|
| 1186 |
template<class A, class B, class C> |
| 1187 |
struct sl_ternary |
| 1188 |
{ |
| 1189 |
const A a; const B b; const C c; |
| 1190 |
sl_ternary (const A &a, const B &b, const C &c) : a(a), b(b), c(c) { } |
| 1191 |
void operator ()() const |
| 1192 |
{ |
| 1193 |
shader_builder::cur->code << "("; |
| 1194 |
a (); |
| 1195 |
shader_builder::cur->code << ") ? ("; |
| 1196 |
b (); |
| 1197 |
shader_builder::cur->code << ") : ("; |
| 1198 |
c (); |
| 1199 |
shader_builder::cur->code << ")"; |
| 1200 |
} |
| 1201 |
}; |
| 1202 |
|
| 1203 |
template<typename A, typename B, typename C> |
| 1204 |
inline const sl_expr< sl_ternary<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T> > |
| 1205 |
ifelse (const A &a, const B &b, const C &c) |
| 1206 |
{ |
| 1207 |
return sl_ternary<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T> |
| 1208 |
(sl_convert<A>::convert (a), sl_convert<B>::convert (b), sl_convert<C>::convert (c)); |
| 1209 |
} |
| 1210 |
|
| 1211 |
} |
| 1212 |
} |
| 1213 |
|
| 1214 |
#endif |
| 1215 |
|
| 1216 |
#include "shader_vars.h" |
| 1217 |
|
| 1218 |
|
